Home / 199,957.22-275,944.25-119,391.78

Finding the Fourth Proportional to 199,957.22, 275,944.25 and 119,391.78

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Solution

The fourth proportional to 199,957.22, 275,944.25 and 119,391.78 is: 164,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,957.22 : 275,944.25 = 119,391.78 : x
  2. Step 2: Convert to fraction form
    199,957.22/275,944.25 = 119,391.78/x
  3. Step 3: Cross multiply
    199,957.22x = 275,944.25 × 119,391.78
  4. Step 4: Simplify right side
    199,957.22x = 32,945,475,281.17
  5. Step 5: Solve for x
    x = 32,945,475,281.17/199,957.22
  6. Step 6: Final answer
    x = 164,762.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.